Synonyms & related words for flu

Find synonyms, related words, and the definition of flu — including influenza, grippe, pertussis, measles, dengue, mumps. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to flu

Explore words related to flu — words associated with it, words that go with it, and its nearest matches in meaning. Related words include influenzal, antiflu, fluey, lurgy, parainfluenza, orthomyxovirus, pandemic, varioloid. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for flu

Common synonyms for flu include influenza, grippe, pertussis, measles, dengue, mumps, smallpox, pneumonia — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does flu come from?

The word flu breaks down into one root of Latin origin: the root flu-, from Latin fluo (“flow”). Explore each root to see other English words built from the same source.